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Categories >> Software >> Embedded-Systems >> Embedded-Systems-AllOther
 
 


 

 
 Embedded Systems AllOther interview questions  Embedded Systems AllOther Interview Questions
Question
Design a circuit for A + abs(B) = C, where A and B are 4 
bits wide and 2?s complement representation
 Question Submitted By :: Newbie
I also faced this Question!!     Rank Answer Posted By  
 
  Re: Design a circuit for A + abs(B) = C, where A and B are 4 bits wide and 2?s complement representation
Answer
# 1
make a 4-bit adder/subtractor ( which can perform A+B and A-
B depending on value of bit say SUB..ie if SUB is 1 it will 
perform A+B ) now give A and B as inputs and make MSB of B 
as SUB bit.
suppose A=0110(6),B=1110(-2);so result will be A-B ie.,   
A+|B|=6-(-2)=8
 
0
Siva
 
 
 
 
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Design a circuit for A + abs(B) = C, where A and B are 4 bits wide and 2?s complement representation Qualcomm1
 
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